397 search results - page 25 / 80 » Lifting of divisible designs |
VTC
2008
IEEE
14 years 3 months ago
2008
IEEE
— In this paper, we study the joint design of uplink and downlink resources in OFDMA-based systems. We first analyze the interactions between uplink and downlink, due essentiall...
COMSWARE
2007
IEEE
14 years 3 months ago
2007
IEEE
— Sequence design and resource allocation for a symbol-asynchronous chip-synchronous code division multiple access (CDMA) system is considered in this paper. A simple lower bound...
JUCS
2008
13 years 9 months ago
2008
: Recently Web Based Training (WBT) starts to be widely used as a new way of teaching. Unfortunately, this mode of teaching imposes new requirements and constraints. It has made th...
TSP
2010
13 years 3 months ago
2010
We propose an adaptive technique to design the spectrum of an orthogonal frequency division multiplexing (OFDM) waveform to improve the radar's wideband ambiguity function (WA...
IPCCC
2006
IEEE
14 years 3 months ago
2006
IEEE
— This paper presents an investment strategy to reduce the risk associated with failures in Wavelength Division Multiplexing (WDM) optical networks. The investment strategy deter...